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2026 Rivian R1S Dual Max MPG

Official EPA fuel-economy rating for the 2026 Rivian R1S Dual Max.

EPA combined fuel economy
80–84MPG
combined (55% city / 45% hwy)
City
88
MPG
Highway
76
MPG
Engine
Cylinders
Drive
Part-time 4WD
Class
Standard Sport Utility Vehicle 4WD
Running cost

Estimated annual fuel cost

Per year
$641
15,000 mi/yr
Fuel used
183 gal
per year
At gas price
$3.50
per gallon

Based on 82 MPG combined and 15,000 miles per year. Adjust for your local gas price and annual mileage.

Other Rivian R1S Dual Max years
FAQ

2026 Rivian R1S Dual Max

How many MPG does a 2026 Rivian R1S Dual Max get?
The 2026 Rivian R1S Dual Max gets 80–84 MPG combined according to the EPA — about 88 MPG in the city and 76 MPG on the highway, depending on trim (2 configurations). Combined MPG is a 55% city / 45% highway blend.
What is the annual fuel cost for a 2026 Rivian R1S Dual Max?
Driving 15,000 miles a year at 82 MPG combined, the 2026 Rivian R1S Dual Max uses about 183 gallons of fuel per year — roughly $641 at $3.50/gallon. Your real cost varies with local gas prices and driving style.
What is the difference between city and highway MPG on the 2026 Rivian R1S Dual Max?
The 2026 Rivian R1S Dual Max returns 88 MPG city and 76 MPG highway. Highway is higher because steady-speed cruising avoids the stop-and-go acceleration that burns fuel in city driving. The 80–84 MPG combined figure blends the two.
Is 82 MPG good for a standard sport utility vehicle 4wd?
For a standard sport utility vehicle 4wd, 82 MPG combined is very efficient. Hybrid powertrains push this higher.
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